login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A121184 Alkane systems (see Cyvin reference for precise definition). 0
0, 0, 1, 4, 16, 50, 160, 476, 1431, 4203, 12369, 36129, 105451, 307179, 893495, 2598476, 7545168 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

REFERENCES

S. J. Cyvin, J. Brunvoll, B. N. Cyvin, W. Luttke, Enumeration of Staggered conformers of alkanes, Z. Naturforsch. 50a (1995) 857-863 Table 1 column C_1.

LINKS

Table of n, a(n) for n=1..17.

S. J. Cyvin, Jianji Wang, J. Brunvoll, Shiming Cao, Ying Li, B. N. Cyvin, and Yugang Wang, Staggered conformers of alkanes: complete solution of the enumeration problem, J. Molec. Struct. 413-414 (1997), 227-239 Table 8, subsums of column C_1.

S. J. Cyvin, B. N. Cyvin, J. Brunvoll, J. Wang, Enumeration of staggered conformers of alkanes and monocyclic cycloalkanes, J. Molec. Struct., 445 (1998), 127-137.

CROSSREFS

Sequence in context: A203094 A298173 A323932 * A203840 A089093 A316321

Adjacent sequences:  A121181 A121182 A121183 * A121185 A121186 A121187

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 17 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 24 08:51 EDT 2021. Contains 345416 sequences. (Running on oeis4.)